From c42b08230600190a6b8dbaa52aa98f95cb1fced0 Mon Sep 17 00:00:00 2001
From: plainheart <yhen@all-my-life.cn>
Date: Sun, 9 Jan 2022 01:06:31 +0800
Subject: [PATCH] fix(animator): `NaN` shouldn't be considered as the number
 type.

---
 src/animation/Animator.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/animation/Animator.ts b/src/animation/Animator.ts
index dd1cd0e76..be22e63c1 100644
--- a/src/animation/Animator.ts
+++ b/src/animation/Animator.ts
@@ -4,7 +4,7 @@
 
 import Clip from './Clip';
 import * as color from '../tool/color';
-import {extend, isArrayLike, isFunction, isGradientObject, isNumber, isString, keys, logError, map} from '../core/util';
+import {eqNaN, extend, isArrayLike, isFunction, isGradientObject, isNumber, isString, keys, logError, map} from '../core/util';
 import {ArrayLike, Dictionary} from '../core/types';
 import easingFuncs, { AnimationEasing } from './easing';
 import Animation from './Animation';
@@ -306,7 +306,7 @@ class Track {
             }
         }
         else {
-            if (isNumber(value)) {
+            if (isNumber(rawValue) && !eqNaN(rawValue)) {
                 valType = VALUE_TYPE_NUMBER;
             }
             else if (isString(rawValue)) {